| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 4/23/2023 | Interstate Speedway (SD) - Jefferson, SD Interstate Speedway Grand Opening / 53rd Annual IMCA Weekly Racing Season Opener B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 2nd | - | - | 7th |
|
| 4/29/2023 | Park Jefferson International Speedway - Jefferson, SD Opening Night B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 5/6/2023 | I-90 Speedway - Hartford, SD RPM Race Series Season Opener 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Karl Brewer (USRA B-Mods) | 1st | - | - | 1st |
|
| 5/13/2023 | Shelby County Speedway - Harlan, IA SCS Chase to the Championship, Round 3 Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact | Results | | Karl Brewer (B Modifieds) | 7th (DNF) | - | - | 4th |
|
| 5/20/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 2nd |
|
| 5/27/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 3rd | - | - | 9th |
|
| 5/29/2023 | Park Jefferson International Speedway - Jefferson, SD $5,000 to win RTI Nationals (Monday) Memorial Day A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 2nd | - | - | - |
|
| 5/30/2023 | Park Jefferson International Speedway - Jefferson, SD $5,000 to win RTI Nationals (Tuesday) A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | - | - | - | 4th |
|
| 6/4/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 6/16/2023 | Wagner Speedway - Wagner, SD Sport Mod Special Sprint Cars, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA RaceSaver Sprint Car, IMCA Sport Compact, WISSOTA Midwest Mods | Results | | Karl Brewer (IMCA Northern SportMod) | 4th | - | - | 2nd |
|
| 6/18/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus GOTRA Vintage Races B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 3rd | - | - | 1st |
|
| 6/27/2023 | Park Jefferson International Speedway - Jefferson, SD Midwest Madness Tour (Tuesday) IMCA Modified: Midwest Madness Tour A Modifieds, B Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 7/8/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing Dirt Late Models: Tri-State Late Models Dirt Super Late Models, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 7/9/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 7th | - | - | 3rd |
|
| 7/15/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 3rd |
|
| 7/23/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing and LMSS & Micros Winged A-Class, B Modifieds, Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 1st |
|
| 7/24/2023 | Park Jefferson International Speedway - Jefferson, SD Dave Riley Memorial Race $2556 to win Hobby Stock, $1056 Sp Mod,$1056 Stock car,$1056 Mods, $556 Com A Modifieds, B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 4th | - | - | 1st |
|
| 7/30/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing plus Midwest Classic Stock Cars B Modifieds, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 2nd | - | - | 1st |
|
| 8/19/2023 | Park Jefferson International Speedway - Jefferson, SD Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 2nd | - | - | 1st |
|
| 8/20/2023 | Interstate Speedway (SD) - Jefferson, SD IMCA Weekly Racing B Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 4th | - | - | 5th |
|
| 9/3/2023 | Boone Speedway - Boone, IA Wild Rose Casino Double Down Prelude to the Super Nationals delivered by NAPA B Modifieds, IMCA Northern SportMod, IMCA Hobby Stock, Pro Dwarf, IMCA Mod Lite | Results | | Karl Brewer (IMCA Northern SportMod) | 1st | - | - | 6th |
|
| 9/4/2023 | Boone Speedway - Boone, IA 2023 IMCA Speedway Motors Super Nationals Fueled by Casey's B Modifieds, Vintage Modifieds, Generic 1, IMCA Late Models, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Karl Brewer (IMCA Northern SportMod) | 6th | - | DNS | - |
|
| 9/5/2023 | Boone Speedway - Boone, IA 2023 IMCA Speedway Motors Super Nationals Fueled by Casey's B Modifieds, Vintage Modifieds, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact | Results | | Karl Brewer (IMCA Northern SportMod) | 9th | - | DNS | - |
|